Quiz #2- Inverses & Lines

What's the notation for the inverse of g(x)?

• f(x)

• f^-1(x)

• y

• g^-1(x)

What is the first step in finding the equation of the inverse of a function?

• get x by itself
• switch x and y
• solve for y
• write the function in inverse function notation

Tags

CCSS.HSF-BF.B.4A

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1

Tags

CCSS.HSF.BF.B.4

CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

CCSS.HSG.CO.B.6

Are these functions inverses of each other?

• Yes
• No

Tags

CCSS.HSF.BF.B.4

Is the red graph the inverse of the blue graph?

• no

• yes

• no way to tell

What is the inverse of the points

{ (1,3) , (2,4) , (6,8) }

• { (3,1) , (4,2) , (8,6) }

• { (-3,-1) , (-4,-2) , (-8,-6) }

• { (1,3) , (2,4) , (6,8) }

• { (-1,-3) , (-2,-4) , (-6,-8) }

Which of the following graphs show the correct graphs of the original and inverse.

• 
• 
• 
• 

When two functions are inverses of each other, their graphs reflect over...

• y=x

• x-axis

• y-axis

• $y=x^2$

To prove two functions are inverses of each other, the composition listed below must simplify down to what?

 $f\left(f^{-1}\left(x\right)\right)=\ ?$  

• 1

• x

• 0

• y

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2

Tags

CCSS.HSS.ID.C.7